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Finding the Fourth Proportional to 17,612.65, 26,421.27 and 5,762.29

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Solution

The fourth proportional to 17,612.65, 26,421.27 and 5,762.29 is: 8,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.65 : 26,421.27 = 5,762.29 : x
  2. Step 2: Convert to fraction form
    17,612.65/26,421.27 = 5,762.29/x
  3. Step 3: Cross multiply
    17,612.65x = 26,421.27 × 5,762.29
  4. Step 4: Simplify right side
    17,612.65x = 152,247,019.91
  5. Step 5: Solve for x
    x = 152,247,019.91/17,612.65
  6. Step 6: Final answer
    x = 8,644.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.